thrombocytopenia

Definition of thrombocytopenia
National Cancer Institute

thrombocytopenia

(THROM-boh-sy-toh-PEE-nee-uh)
A condition in which there is a lower-than-normal number of platelets in the blood. It may result in easy bruising and excessive bleeding from wounds or bleeding in mucous membranes and other tissues.

Source: NCI Dictionary of Cancer Terms